--- a/TODO.txt
+++ b/TODO.txt
@@ -23,7 +23,7 @@
 [ ] Detect renames etc when showing a commit
 [ ] Always add a "mainline-upstream" branch that track the mainline repos automagically to clones
 [ ] email repository owners when there's a new comment
-[ ] Clean up in Diff::Display::Unified
+[*] Clean up in Diff::Display::Unified
 ---
 
 a ProjectMirror that sucks in svn repositories. They need to be differentiated form normal projects (don't display owner etc, since it's a mirror). Also, the mainline repository should probably be immutable so people can commit changes to the actual mirror.

--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -2,7 +2,7 @@ class Project < ActiveRecord::Base
   acts_as_taggable
   
   belongs_to  :user
-  has_many    :comments
+  has_many    :comments, :dependent => :destroy
   has_many    :repositories, :order => "mainline desc, created_at asc",
     :dependent => :destroy
   has_one     :mainline_repository, :conditions => ["mainline = ?", true], 

--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -97,7 +97,7 @@ class Repository < ActiveRecord::Base
   
   def create_delete_repos_task
     Task.create!(:target_class => self.class.name, 
-      :command => "delete_git_repository", :arguments => [gitdir]) # fixme: gitdir is probably gone in after_destroy
+      :command => "delete_git_repository", :arguments => [gitdir])
   end
     
   protected

--- a/lib/git_backend.rb
+++ b/lib/git_backend.rb
@@ -20,7 +20,11 @@ class GitBackend
     end
     
     def delete!(repos_path)
-      FileUtils.rm_rf(repos_path)
+      if repos_path.index(GitoriousConfig["repository_base_path"]) == 0
+        FileUtils.rm_rf(repos_path)
+      else
+        raise "bad path"
+      end
     end
     
     def repository_has_commits?(repos_path)